首页
登录
职称英语
[originaltext] The first prototype of an aircraft intended to revolutionize
[originaltext] The first prototype of an aircraft intended to revolutionize
游客
2025-01-06
22
管理
问题
The first prototype of an aircraft intended to revolutionize travel and shatter speed records was destroyed during its maiden flight on Saturday after a booster rocket carrying it a loft veered out of control and tumbled from the sky.
US space scientists were forced to destroy tile un- manned X-43A prototype in midair just minutes before the plane was due to fire the oxygen scooping "scramjet" engine designed to drive it at seven times the speed of sound.
NASA cameras aboard two F-18 chase planes showed the Pegasus rocket careening off course and fulling out of control from the sky before controlers triggered on board explosures to destroy it over the Pacific Ocean at about 1:45 pm PDT (4:45 pm EDT/2045 GMT)
Pieces of the booster rocket and the small, black X- 43A prototype, part of NASA’s "Hyper-X" programme, fell into the sea.
选项
A、To revolutionize research and develop speed
B、To revolutionize travel and shatter speed records.
C、To revolutionize flight and explore outer space.
D、To revolutionize exploration and increase experience.
答案
B
解析
“prototype”的proto为prefix,意思为“earliest;original”原型的,即:first or original example of sth that has been or will be copied or developed;model or preliminary version。
转载请注明原文地址:https://tihaiku.com/zcyy/3900717.html
相关试题推荐
[originaltext]OnDecember25,2000,.manyPe0PleacrossNorthAmericareceiv
[originaltext]OnDecember25,2000,.manyPe0PleacrossNorthAmericareceiv
[originaltext]ThisisBobSmithfromBBC.I’matthesceneofamiraculousr
[originaltext]ThisisBobSmithfromBBC.I’matthesceneofamiraculousr
[originaltext]TheClintonAdministrationFridayannouncedthatitwillclose
[originaltext]W:John,doyourealizethatChristmasisonlyamonthaway?We’
[originaltext]W:John,doyourealizethatChristmasisonlyamonthaway?We’
[originaltext]TheAmericanSpaceAgencyiscontinuingexperimentsthatwould
[originaltext]Israelsentintroopreinforcementstocombatmilitantswhoha
[originaltext]U.S.congressmanandformerentertainerSonnyBonohasdiedin
随机试题
Themostconsistentlyidentifiedteachereffectivenessvariableistimeon
Insomewaystheemploymentinterviewislikeapersuasivespeechbecauseth
[originaltext](12)AnewprogramcalledAdelanTECHLeadershipishelpings
Beautyhasalwaysbeenregardedassomethingpraiseworthy.Almosteveryonet
Forthispart,youareallowed30minutestowriteanessaycommentingonthesa
狭义的资本结构是指长期负债与股东权益的构成比例,不包括短期债务。()
某公司签署的服务器运维项目的核算表如下所示,该项目已结项,其投资回报率为()
男性,43岁,右上腹疼痛不适,无畏寒、发热、黄疸,B超检查时右肝有一直径3.5c
临床上对于便血患者常规作直肠指检的目的是 A.诊断内外痔B.诊断直肠息
图示笼型异步电动机的启动特性,其中曲线1、2是不同定子电压时的启动机械特性,直线
最新回复
(
0
)